Windmill



(No Model.) 2 Sheets-Sheet 1.

A. WALLACE. WINDMILL.

No. 441,519. Patented Nov. 25, 1890 wwmmw' gmwwto c (No Model.) v2Sheets-Sheet '2. WALLACE.

WINDMILL.

No. 441,519. Patented Nov. 25, 1890.

q/mbweooeo a avvuewboz I sfi fi abtmwugo W UNITED STATES PATENT OFFICE.

AMOS \VALLAOE, OF LITTLE ROCK, IOIVA.

WlNDMlLL.

SPECIFICATION forming part of Letters Patent No. 441,519, dated November25, 1890.

Application filed April 3, 1890. Serial No. 346,383. (No model.)

To all whom it may concern:

Be it known that I, AMOS WALLACE, a citizen of the United States,residing at Little Rock, in the county of Lyon and State of Iowa, haveinvented certain new and useful Improvements in Windmills and I dohereby declare that the following is a full, clear, and exactdescription of the same, reference being had to the annexed drawings,making a part of this specification, and to the letters of referencemarked thereon.

This invention relates to certain new and useful improvements inwind-wheels, and it has for its object to improve generally this classof devices and to make a strong and durable wheel, the parts being allof metal.

The novelty resides in the peculiar combinations, and the construction,arrangement, and adaptation of parts, all as more fully.

hereinafter described, shown in the drawings, and then particularlypointed out in the appended claims. v

The invention is clearly illustrated in the accompanying drawings,which, with the letters of reference marked thereon, form a part of thisspecification, and in which- Figure 1 is a side elevation of awind-wheel constructed in accordance with myinvention. Fig. 2 is atopplan with the wheel removed. Fig. 3 is an edge view of the wheel closed.Fig. 4 is a face view of one of the blades of .the wheel. Fig. 5 is adetail of the ratchet mechanism. Fig. 6 is a detail of a portion of theclutch device.

Like letters of reference indicate like parts throughout the severalviews.

I wish to remark here that all of the parts of my wheel are of metal.

Referring now to the details of the drawings by letter, A designates thetower, which may be of any of the known forms of construction.

A is a guide-tube supported at the upper end of the tower and throughwhich the pump-rod A passes, as shown in Fig. 1.

B is a yoke sleeved on the guide-tube and free to revolve thereon,havingtwo cross-bars a and a, as shown in Fig. 1, to give great strengththereto. At the upper end of this yoke there are boxes or bearings B inwhich the main shaft 0 is supported. This main shaft passes through aslot in the upper portion of the pump-rod,and carries an eccentric O,which works in a ring 0 on the hanger 0 attached to the pump-rod at 0,whereby the revolution of the shaft gives the recipro eating motion tothe pump-rod.

D is an upper yoke supported on the lower yoke or on the boxes, as shownin Fig. l,and moves with the lower yoke. Onthe upright portion of theupper yoke there are provided hooks c, as shown in Fig. 1, on which thetail-vane support E is hinged, and carries at its outer end thetail-vane E. At this same side of the mill there is a horizontal arm F,

which at one end carries a hanger in which is journaled a pulley d, overwhich passes a cord or chain F, which at one end carries a weight F andat the other end is connected to the tail-vane support, as at f. Theother end of this arm F is curved, as shown in Fig.

2, and is provided with a hanger f, in which is journaled a pulley fover which passes the chain G, one end of which is attached to thetail-vane support E, at e, and the other end passes downward through theguide-tube to within convenient reach from the ground. Pulling on thiscord throws the tail-vane out of the wind. On the opposite box orhearing of the yoke there is secured a horizontal arm G, which carriesthe side vane G as seen best in Fig. 2.

On the outer end of the main shaft there is secured one of the blades.II and H are a plurality of blades similar in shape, and each in shaperesembling the mold-board of a plow,

On the under side of the box nearest the 4 This clutch mechanismconsists of the sleeve J, having an outer cam-face and normally forcedoutward by the spring J on the main shaft, as seen in Fig. 1. Thissleeve is adapted to revolve with the main shaft and carries a lateralpin j, adapted to engage one of the holes in the ratchet-disk K, (seenbest in Fig. 5,) which disk is loosely sleeved upon the main shaft. Thesleeve is also capable of endwise movement on the shaft. XVhen the pinof the sleeve is in engagement with the hole of the disk the partsrevolve together, but when the clutch is separated the revolution of thewheel does not operate the sleeve. The inner blade is attached to thesleeve, rigid with the ratchet-disk.

L is a sleeve mounted upon the before-mentioned sleeve on the mainshaft, provided with an arm L, to which is pivoted the pawl L an arm Lbeing provided to prevent the pawl from falling down too far. To thissleeve is connected one end of a chain M, the other end of which isattached to the spring-arm M, attached to the yoke, as shown best inFig. 1.

O is another chain secured at one end to thissleeve, and after passingover suitable guide-rollers 0?. passes downward through the guide-tubewithin convenient reach from the ground. Pulling on this chain causesthe pawl to engage the ratchet-disk and turn the shaft so as to turn allthe blades of the wheel into the position in which they are shown inFig. 3, the tendency of the spring-arm and the chain connecting the samewith the sleeve being to keep the blades in operative position.

In operation the rotation of the wheel reciprocates the rod A verticallythrough the medium of the eccentric O, ring 0 and hanger C in a mannerwhich will be readily understood. As the wheel acquires abnormal speedthe tail-vane is thrown round into contact with the arm I and causes itto operate the clutch to throw the wheel out of the wind. \Vhen the winddecreases in power the spring causes the clutch and the arm I" to resumetheir normal positions.

As above described, the chain 0 runs over the pulleys n and down to andis connected with the hollow shaft or sleeve L with pawl or dog L WVhenpulling on the cord or chain 0 it rolls up the dog L and catches in thenotch of the wheel K, and raises the arm of the first sail or blade H,which brings up the next sail or blade, and so on till it comes to thelast arm of the blades or sails, which is fastened to the main shaft.WVhen the wheel is up, the two parts of the clutch look by be ingcrowded forward by the spiral spring J. The spring-arm M returns, bychain or cord M, the hollow shaft or sleeve L, and holds it while themill is running, and leaves the dog or pawl L open ready for the nexttime.

must be borne in mind that the sleeve that carries the first or innerblade and arm is fastened on the hollow shaft or sleeve slipped over themain shaft, and the sleeve L slipped over that.

hat I claim as new is- 1. The combination, with the main shaft and thefolding wheel, of the tail-vane pivoted as shown, a clutch on the mainshaft, and the arm arranged with one end inthe path of the tail-vane andthe other to actuate the clutch, and the connections between the foldingwheel and the clutch, substantially as specified.

E2. The combination, with the axle and folding wheel, of the tail-vanepivoted on vertical pivots, the clutch 011 the main shaft, the lateralarm pivoted on a vertical pivot with one end arranged in the path of thetail-vane and the other adapted to engage one portion of the clutch, anda spring for forcing outward said portion, and the connections betweenthe folding wheel and the clutch, as set forth.

3. The combination, with the main shaft and the clutch, of the foldingwheel, the sleeve on the shaft, the pawl carried by the sleeve andadapted to engage the loose portion of the clutch, anda cord connectedwith the sleeve and extending to within convenient reach from theground, substantially as specified.

4. The combination, with the main shaft and the clutch, of the foldingwheel, the sleeve 011 the shaft, the pawl carried by the sleeve andadapted to engage the loose portion of the clutch, a chain connectedwith the sleeve and extending to within convenient reach from theground, and a spring-connection acting in opposition to said chain,substantially as specified.

5. The combination, with the main shaft and the folding wheel, of thesleeve on the shaft and provided with a pin, the disk loose on the shaftand having a toothed periphery, the sleeve on the shaft and carrying apawl adapted to engage the toothed periphery of the disk and means forrotating said sleeve when desired, as and for the purpose specified.

6. The combination, with the main shaft and the folding wheel, of thesleeve on the shaft and provided with a pin,the disk loose on the shaftand carrying a pawl adapted to engage the toothed periphery of the disk,means for rotating said sleeve when desired, and the spring-arm on thesupport of the shaft and connected with the loose sleeve, substantiallyas and for the purpose specified.

In testimony that I claim the above I have hereunto subscribed my namein the presence of two witnesses- AMOS \VALLAOE.

Witnesses:

ALFRED B. ANDERSON, J. D. ROBERTS.

